of death in the u.s. it kills one person every 4 minutes, and it took my grandmother. an estimated 24 million americans are affected, but as many as half of them don't even know it. it's a race against time to spread the word about this serious disease. if you're over 35 and have ever smoked, you could be at risk. the good news is, there are steps you can take to improve your symptoms. i'm danica patrick, and i drive4copd. take action today to breathe better tomorrow. join the movement at drive4copd.com. take our screening questionnaire today, and talk to your doctor. >>> welcome back to the "rtm" 2012 countdown, everybody. top three time, and our number three video is quite a catch. >> the law of the jungle, killer be killed, always the strong survive, all the other things they say about the law of the jungle. got to warn you, this video can be a little tough to watch. what do you see lurking in the brush? leopard, a beast. spotted beast. it's a leopard, my friends. but he's not there just hanging out in the shade because he's tired. he's lurking because he hears something a coming.